Foam-producing composition



Patented D.- 25, 1928. i

UNITED :STATES PATENT. OFFICE.

nnrcn' maxmanns'rmmna, or manna, ennmm, Y

I IOAM-IPBODUCING COEPOSI'IION.

1w Ibrawtug Application filed March 29; 1928, Serial No. 265,813; and in Germany April 4,1927.

As a means for creating foam in divers industries, such as producing table luxuries, fire extin' ishing means and also in the cosmetic in ustry as is well known saponin is used. Since the price of saponin is' comparatively high it has also been proposed to use additions of cheaper'substances, such asdextrine or cane sugar. These substances,

' however, can only be considered pure .at-

tenuants and impair the'foam creating uality of the saponin, because the foam -w' ich is created by such mixtures is of a large bubble nature, and will sooner collapse than such foam which is created by puresaponin.

This invention now is based on the unexpected discovery that if the saponin isgiven an addition of milk sugar, this additionhas not only the eifect of reducing the price of the attenuant but also of im roving the for mation of foam. By way 0? been found that a mixture of 80% saponinand 20% of milk sugar next to the reduction of the price of the mixture has also the'advantage that themixture gives a better and more lasting foam than ure saponin; This foam improving efiect o the milk su ar addition goes so far that even a goo result example it has will be secured which is almost equal to that of pure saponin, if saponin and milk sugar are'mixed' at a proportion of 17 to 83%.

\Vhen using the heretofore additionsto saponin it was impossible to reduce the'amount of saponin down to 60% or 70%; The per-' eentageof 17 of saponin of this special saponin-milk-sugar-mixture signifies an extraordinary reduction .of price though milktable luxuries. For fire-extinguishing punposesa mixture of saponin and 7 5% of milk sugar is well adapted. 'IcIaim: r

sugar as a rule is more expensive than, for

1. Foam'producing means consisting of a mixture of. saponin and sugar.

2.;Foa'm produc'ing mea'ns cons stin of'a mixture of 17% of saponin and 83% 0 sugar. In testimony name to this s ification.

ERICH MA%%ALFRED STHAMER,

m whereof I have signed my; 

